16011611056 has 40 divisors (see below), whose sum is σ = 35550978560. Its totient is φ = 6843403584.

The previous prime is 16011611053. The next prime is 16011611123. The reversal of 16011611056 is 65011611061.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (16011611053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153666 + ... + 235873.

It is an arithmetic number, because the mean of its divisors is an integer number (888774464).

Almost surely, 2^16011611056 is an apocalyptic number.

16011611056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16011611056 is an abundant number, since it is smaller than the sum of its proper divisors (19539367504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16011611056 is a wasteful number, since it uses less digits than its factorization.

16011611056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389921 (or 389915 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 16011611056 in words is "sixteen billion, eleven million, six hundred eleven thousand, fifty-six".